.web_box{
    header{
        font-size: 0;
        .logo{
            text-align: center;
            margin-top: 56px;
            margin-bottom: 115px;
        }
        .nav{
            position: relative;
            width: 100%;
            height: 98px;
            background: #AF1730;
            z-index: 333;
            .menu{
                position: absolute;
                left: 50%;
                margin-left: -342px;
                bottom: 49px;
                width: 684px;
                box-shadow: 0 0 20px #AF1730;
                >li{
                    float: left;
                    background: #fff;
                    width: 170px;
                    height: 140px;
                    border-right: 1px solid #e5e5e5;
                    >a{
                        display: inline-block;
                        width: 100%;
                        height: 100%;
                        padding-top: 20px;
                        text-align: center;
                        color: #666;
                        font-size: 17px;
                        i{
                            width: 100%;
                            display: inline-block;
                            padding-bottom: 20px;
                        }
                    }
                    .menu-lsit{  
                        display: none;
                        >ul{
                            position: relative;
                            left: 20px;
                            >li{
                                width: 134px;
                                height: 40px;
                                line-height: 40px;
                                background: #fff;
                                border-bottom: 1px solid #e5e5e5;
                                text-align: center;
                                overflow: hidden;
                                a{
                                    font-size: 14px;
                                    color: #989898;
                                }
                                &:hover{
                                    a{
                                        color: #AF1730;
                                    }
                                    .product-detail,.product-list{
                                        display: block;
                                    }
                                }
                            }
                            &:before{
                                position: absolute;
                                top: -15px;
                                left: 48px;
                                content: "";
                                width: 0;
                                height: 0;
                                display: block;
                                border-bottom: 15px solid #fff;
                                border-left: 15px solid transparent;
                                border-right: 15px solid transparent;
                            }
                            li{
                                .product-detail{
                                    display: none;
                                    position: absolute;
                                    top: 0;
                                    left: -260px;
                                    width: 245px;
                                    background: #fff;
                                    border-right:15px solid  rgba(200,200,200,0.1);
                                    .product-img{
                                        vertical-align: top;
                                        display: inline-block;
                                        width: 45px;
                                        height: 82px;
                                        overflow: hidden;
                                        margin-top: 98px;
                                        img{
                                            width: 100%;
                                        }
                                    }
                                    .product-desc{
                                        display: inline-block;
                                        width: 150px;
                                        overflow: hidden;
                                        margin-left: 16px;
                                        >h4{
                                            line-height: 25px;
                                            font-size: 18px;
                                            width: 100%;
                                            white-space: normal;
                                            text-align: left;
                                            padding: 25px 0;
                                        }
                                        >p{
                                            width: 100%;
                                            white-space:normal;
                                            text-align: left;
                                            color: #999;
                                            padding-bottom: 50px;
                                            font-size: 14px;
                                            line-height: 20px;
                                        }
                                    }
                                }
                                .product-list{
                                    display: none;
                                    position: absolute;
                                    top: 0;
                                    left: 134px;
                                    width: 200px;
                                    background: #fff;
                                    text-align: left;
                                    border-left:15px solid  rgba(200,200,200,0.1);
//                                      z-index: 99999;
                                    ul{
                                        li{
                                            padding-left: 20px;
                                            height: 40px;
                                            line-height: 40px;
                                            color: #999;
                                            border-bottom: 1px solid #d0d0d0;
                                            a{
                                                color: #999999;
                                            }
                                        }
                                        li:hover a{
                                            color: #af1730;
                                        }
                                    }
                                }
                            }
                        }
                    }
                    &:hover{
                        transform: translateY(-10px);
                        box-shadow: 0 3px 20px #AF1730;
                        span{
                            color: #AF1730;
                        }
                        .menu-lsit{
                            display: block;
                        }
                    }
                }
                &:after{
                    content: "";
                    display: block;
                    clear: both;
                }         
            }
        }
    }
}
